Sun not responsible for global warming

Global temperatures have soared over the past half-century, despite no notable increase in the amount of solar energy received by Earth
 

EARTH’S TEMPERATURE VERSUS SOLAR ACTIVITY

Temperature (°C)
11-year average
Yearly

Global temperatures show marked rise since 1950s, in contrast to solar cycle

Amount of solar energy Earth receives follows sun’s natural 11-year cycle of small ups and downs

Solar irradiance (watts per square metre) 
11-year average
Yearly
						1363
1.2 						
1.0						
0.8
0.6						1362
0.4  						
0.2 						
-0.0 						
-0.2 						1361	
-0.4						
-0.6
-0.8						
-1.0						1360
	1880 1900 1920 1940 1960 1980 2000 2020


Sources: NASA Global Climate Change, Earth Day
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